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DS1390U-33+

报警实时时钟芯片, 时期时间格式 (星期/日/月/年 时:分:秒:百秒), SPI, 2.97V至5.5V, µSOP-10

MAXIM INTEGRATED PRODUCTS DS1390U-33+
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制造商产品编号:
DS1390U-33+
库存编号
2515392
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产品概述

The DS1390U-33+ is a low voltage SPI real time clock (RTC) with trickle charger in 10 pin µSOP package. It has typical operating voltage of 3.3V. This clock/calendar provides hundredths of seconds, seconds, minutes, hours, day, date, month and year information. The date at the end of the month is automatically adjusted for months with fewer than 31 days including leap year compensation valid up to 2100. The clock operates in either 24hour or 12hour format with an AM/PM indicator. A temperature compensated voltage reference monitors the status of VCC and automatically disables bus interface and switches to backup supply if a power failure is detected. On the DS1390, a single open-drain output provides CPU interrupt or square wave at one of four selectable frequencies of 32.768KHz, 8.192KHz, 4.096KHz or 1Hz. The device is programmed serially through SPI compatible bidirectional bus. The DS1390 is used in GPS/telematics devices, embedded time stamping applications.
  • Supply voltage range from 2.97V to 5.5V
  • Operating temperature range from -40°C to 85°C
  • Power fail detect and switch circuitry
  • SPI supports modes 1 and 3
  • SCLK frequency of 4MHz ( 2.7V <= VCC <= 5.5V)
  • UL recognized
  • VCC active supply current of 2mA and VCC standby current of 115µA
  • Time keeping current of 500nA
  • One programmable time of day alarm

应用

时钟与计时, 医用, 便携式器材

警告

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

产品信息

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:
星期;日;月;年

:
时:分:秒:hh

:
实时时钟闹钟

:
2.97V

:
5.5V

:
µSOP

:
10引脚

:
SPI

:
-40°C

:
85°C

:
-

:
-

:
MSL 1 -无限制
查找类似产品 选择并修改以上属性即可查找类似产品。

技术文档 (1)

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CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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可延期交货

送货开始日期 22-7-10

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CNY29.70 ( CNY33.56  含增值税)

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